20623489740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{197203}}^1$

素因数の和:197308

約数の個数: 144

約数和(自身を含む): 72356514048

約数和(自身を除く): 51733024308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2324, 2490, 2905, 2988, 3486, 3735, 4980, 5229, 5810, 6972, 7470, 8715, 10458, 11620, 14940, 17430, 20916, 26145, 34860, 52290, 104580, 197203, 394406, 591609, 788812, 986015, 1183218, 1380421, 1774827, 1972030, 2366436, 2760842, 2958045, 3549654, 3944060, 4141263, 5521684, 5916090, 6902105, 7099308, 8282526, 8874135, 11832180, 12423789, 13804210, 16367849, 16565052, 17748270, 20706315, 24847578, 27608420, 32735698, 35496540, 41412630, 49103547, 49695156, 62118945, 65471396, 81839245, 82825260, 98207094, 114574943, 124237890, 147310641, 163678490, 196414188, 229149886, 245517735, 248475780, 294621282, 327356980, 343724829, 458299772, 491035470, 572874715, 589242564, 687449658, 736553205, 982070940, 1031174487, 1145749430, 1374899316, 1473106410, 1718624145, 2062348974, 2291498860, 2946212820, 3437248290, 4124697948, 5155872435, 6874496580, 10311744870, 20623489740]

約数ペア:

[(1, 20623489740), (2, 10311744870), (3, 6874496580), (4, 5155872435), (5, 4124697948), (6, 3437248290), (7, 2946212820), (9, 2291498860), (10, 2062348974), (12, 1718624145), (14, 1473106410), (15, 1374899316), (18, 1145749430), (20, 1031174487), (21, 982070940), (28, 736553205), (30, 687449658), (35, 589242564), (36, 572874715), (42, 491035470), (45, 458299772), (60, 343724829), (63, 327356980), (70, 294621282), (83, 248475780), (84, 245517735), (90, 229149886), (105, 196414188), (126, 163678490), (140, 147310641), (166, 124237890), (180, 114574943), (210, 98207094), (249, 82825260), (252, 81839245), (315, 65471396), (332, 62118945), (415, 49695156), (420, 49103547), (498, 41412630), (581, 35496540), (630, 32735698), (747, 27608420), (830, 24847578), (996, 20706315), (1162, 17748270), (1245, 16565052), (1260, 16367849), (1494, 13804210), (1660, 12423789), (1743, 11832180), (2324, 8874135), (2490, 8282526), (2905, 7099308), (2988, 6902105), (3486, 5916090), (3735, 5521684), (4980, 4141263), (5229, 3944060), (5810, 3549654), (6972, 2958045), (7470, 2760842), (8715, 2366436), (10458, 1972030), (11620, 1774827), (14940, 1380421), (17430, 1183218), (20916, 986015), (26145, 788812), (34860, 591609), (52290, 394406), (104580, 197203)]